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The chemical processes in the production of steel from haematite ore involve ______. - Chemistry (Theory)

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Question

The chemical processes in the production of steel from haematite ore involve ______.

Options

  • reduction

  • oxidation

  • reduction followed by oxidation

  • oxidation followed by reduction

MCQ
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Solution

The chemical processes in the production of steel from haematite ore involve oxidation followed by reduction.

Explanation:

Haematite ore (Fe2O3) contains iron in the oxidised form. During the extraction of iron in the blast furnace, the following steps occur. Oxidation of impurities like carbon and sulphur to remove them. Then, the reduction of haematite to iron by carbon monoxide (CO). So, the process involves oxidation followed by reduction.

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Chapter 8: d-and ƒ-Block Elements - OBJECTIVE (MULTIPLE CHOICE) TYPE QUESTIONS [Page 499]

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Nootan Chemistry Part 1 and 2 [English] Class 12 ISC
Chapter 8 d-and ƒ-Block Elements
OBJECTIVE (MULTIPLE CHOICE) TYPE QUESTIONS | Q 42. | Page 499
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